Comparison
vigil-llm vs llm-guard
Verdict
Pick vigil-llm if vigil-llm is designed for users who need robust security measures to protect against prompt injections and jailbreak attempts in LLMs; pick llm-guard if lLM Guard is a toolkit tailored for securing interactions with large language models, focusing on safeguarding against prompt injection and adversarial attacks.
Markdown twin · vigil-llm alternatives · llm-guard alternatives
GraphCanon updated today
Trust & integrity
| Signal | vigil-llm | llm-guard |
|---|---|---|
| Maintenance | Dormant (932d since push) As of today · github_public_v1 | Archived (27d since push) As of 2w · github_public_v1 |
| Provenance | Not a fork · Personal account As of today · github_public_v1 | Not a fork · Organization account As of 2w · github_public_v1 |
| OSV dependency advisories | No lockfile (source not queried) As of 1mo · osv@v1 | No lockfile (source not queried) As of 1mo · osv@v1 |
| deps.dev advisories | Not queried deps.dev@v1 | Not queried deps.dev@v1 |
| OpenSSF Scorecard | Not queried openssf-scorecard@v1 | Not queried openssf-scorecard@v1 |
Tagline
- vigil-llm
- Detect prompt injections and other risky inputs in LLMs
- llm-guard
- The Security Toolkit for LLM Interactions
Stars
- vigil-llm
- 496
- llm-guard
- 3.2k
Forks
- vigil-llm
- 56
- llm-guard
- 435
Open issues
- vigil-llm
- 16
- llm-guard
- 40
Language
- vigil-llm
- Python
- llm-guard
- Python
Adopt for
- vigil-llm
- Vigil-llm is designed for users who need robust security measures to protect against prompt injections and jailbreak attempts in LLMs.
- llm-guard
- LLM Guard is a toolkit tailored for securing interactions with large language models, focusing on safeguarding against prompt injection and adversarial attacks.
Persona
- vigil-llm
- -
- llm-guard
- -
Runtime
- vigil-llm
- -
- llm-guard
- -
License
- vigil-llm
- Apache-2.0
- llm-guard
- MIT
Last pushed
- vigil-llm
- Jan 31, 2024
- llm-guard
- Jul 8, 2026
Categories
- vigil-llm
- Evaluation & Observability
- llm-guard
- Developer Tools, Evaluation & Observability
Trust and health
Maintenance
- vigil-llm
- Dormant (18%)
- llm-guard
- Archived (8%)
Days since push
- vigil-llm
- 932d
- llm-guard
- 27d
Archived on GitHub
- vigil-llm
- No
- llm-guard
- Yes
Open issues (now)
- vigil-llm
- 16
- llm-guard
- 40
Stars delta
- vigil-llm
- +5 (30d)
- llm-guard
- Unknown
Open issues delta
- vigil-llm
- 0 (30d)
- llm-guard
- Unknown
Owner type
- vigil-llm
- User
- llm-guard
- Organization
Full report
- vigil-llm
- Trust report
- llm-guard
- Trust report
Typed relationship
Shared compatibility
- Python · vigil-llm: Python runtime · llm-guard: Python runtime
Choose vigil-llm if…
- License: vigil-llm is Apache-2.0, llm-guard is MIT.
- Both llm-guard and vigil-llm are security tools designed to protect against potential threats in Large Language Model interactions, such as prompt injection attacks.
- Tags unique to vigil-llm: adversarial-attacks.
- vigil-llm ships Docker support for self-hosted deployment.
- When deploying large language models that require high levels of input security, vigil-llm can be employed to detect maliciously crafted inputs intended to manipulate model behavior.
When NOT to use vigil-llm
- If your application does not require high security against malicious inputs or if the risks of prompt injection are minimal due to controlled input sources, vigil-llm might be unnecessary.
- For projects that focus on optimizing output speed rather than input robustness, other tools might be more appropriate as vigil-llm could add significant processing overhead.
Choose llm-guard if…
- License: llm-guard is MIT, vigil-llm is Apache-2.0.
- Requirements: Min 2 GB RAM; Ensure you have Python version 3.9 or higher.; Some advanced features require additional libraries which are automatically installed as needed..
- Both llm-guard and vigil-llm are security tools designed to protect against potential threats in Large Language Model interactions, such as prompt injection attacks.
- Tags unique to llm-guard: adversarial-machine-learning, chatgpt, prompt-engineering, security-tools.
- Also covers Developer Tools.
- - You need to secure your application from sophisticated prompt injection techniques.
When NOT to use llm-guard
- - If you are working in a low-security environment or with small-scale projects where advanced security mechanisms are not necessary.
- - In cases where integrating external libraries and ensuring Python version compatibility may introduce complexities that outweigh the benefits.
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (deadbits/vigil-llm) · observed Aug 21, 2026
- GitHub forks (deadbits/vigil-llm) · observed Aug 21, 2026
- Last push (deadbits/vigil-llm) · observed Jan 31, 2024
- License file (Apache-2.0) · observed Aug 21, 2026
- Decision facts (enrichment) · observed Jul 15, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (protectai/llm-guard) · observed Aug 5, 2026
- GitHub forks (protectai/llm-guard) · observed Aug 5, 2026
- Last push (protectai/llm-guard) · observed Jul 8, 2026
- License file (MIT) · observed Aug 5, 2026
- Decision facts (enrichment) · observed Jul 12, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: vigil-llm 496 · llm-guard 3.2k (synced Aug 21, 2026).
Common questions
- What is the difference between vigil-llm and llm-guard?
- vigil-llm: Detect prompt injections and other risky inputs in LLMs. llm-guard: The Security Toolkit for LLM Interactions. See the comparison table for live GitHub stats and shared categories.
- When should I choose vigil-llm over llm-guard?
- Choose vigil-llm over llm-guard when License: vigil-llm is Apache-2.0, llm-guard is MIT; Both llm-guard and vigil-llm are security tools designed to protect against potential threats in Large Language Model interactions, such as prompt injection attacks; Tags unique to vigil-llm: adversarial-attacks; vigil-llm ships Docker support for self-hosted deployment; When deploying large language models that require high levels of input security, vigil-llm can be employed to detect maliciously crafted inputs intended to manipulate model behavior.
- When should I choose llm-guard over vigil-llm?
- Choose llm-guard over vigil-llm when License: llm-guard is MIT, vigil-llm is Apache-2.0; Requirements: Min 2 GB RAM; Ensure you have Python version 3.9 or higher.; Some advanced features require additional libraries which are automatically installed as needed.; Both llm-guard and vigil-llm are security tools designed to protect against potential threats in Large Language Model interactions, such as prompt injection attacks; Tags unique to llm-guard: adversarial-machine-learning, chatgpt, prompt-engineering, security-tools; Also covers Developer Tools; - You need to secure your application from sophisticated prompt injection techniques.
- When should I avoid vigil-llm?
- If your application does not require high security against malicious inputs or if the risks of prompt injection are minimal due to controlled input sources, vigil-llm might be unnecessary. For projects that focus on optimizing output speed rather than input robustness, other tools might be more appropriate as vigil-llm could add significant processing overhead.
- When should I avoid llm-guard?
- - If you are working in a low-security environment or with small-scale projects where advanced security mechanisms are not necessary. - In cases where integrating external libraries and ensuring Python version compatibility may introduce complexities that outweigh the benefits.
- Is vigil-llm or llm-guard more popular on GitHub?
- llm-guard has more GitHub stars (3,202 vs 496). Stars measure visibility, not whether either tool fits your constraints.
- Are vigil-llm and llm-guard open source?
- Yes - both are open-source projects on GitHub (vigil-llm: Apache-2.0, llm-guard: MIT).
- Where can I find alternatives to vigil-llm or llm-guard?
- GraphCanon lists graph-backed alternatives at vigil-llm alternatives and llm-guard alternatives (vigil-llm markdown twin, llm-guard markdown twin), ranked by typed relationship edges rather than popularity votes.
- Is there a machine-readable version of this comparison?
- Yes. The markdown twin at this comparison mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.
- Which is better maintained, vigil-llm or llm-guard?
- vigil-llm: Dormant. llm-guard: Archived. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance.
- Where are the full trust reports for vigil-llm and llm-guard?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: vigil-llm trust report; llm-guard trust report.